CN113802936A

CN113802936A - Internal locking type furniture

Info

Publication number: CN113802936A
Application number: CN202111102330.8A
Authority: CN
Inventors: 王雯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-19
Filing date: 2021-09-19
Publication date: 2021-12-17

Abstract

The invention discloses an internal locking type furniture, which comprises a furniture body with a drawer cavity and a drawer capable of being arranged in the drawer cavity in a pulling mode, wherein the inner top wall of the drawer cavity is fixedly connected with an internal locking upper structure, the outer side wall of the drawer is fixedly connected with an internal locking lower structure, a magnetic device is detachably connected onto the drawer, the internal locking upper structure comprises a bolt seat, a first bolt and a first reset spring, the first bolt and the first reset spring are arranged in the bolt seat, and the first bolt extends out of the bolt seat under the action force of the first reset spring; the inner lock lower structure comprises a bolt plate provided with a first bolt hole; when the drawer is closed, the first bolt is inserted into the first bolt hole to lock the drawer; the magnetic device adsorbs a first bolt outside the drawer cabinet, overcomes the acting force of a first return spring, moves upwards and is separated from a first bolt hole to unlock the drawer. The lock structure is arranged in the furniture drawer, and the drawer without the lock can be provided with the self-locking structure under the condition of not damaging the appearance of the drawer.

Description

Internal locking type furniture

Technical Field

The invention belongs to the technical field of furniture, and particularly relates to an internal locking type furniture.

Background

Furniture is a storage tool commonly used in life of people, a drawer of the furniture is provided with a lock and is not provided with the lock, most stored articles are not too valuable, and therefore, the drawer without the lock is mostly adopted for convenient use in life. Sometimes a drawer with a lock is required to store valuable or private items; at the moment, the drawer without the lock is required to be replaced by the drawer with the lock, and the replacement often requires replacing the cabinet or the desk with the drawer, so that the time, the labor and the waste are wasted; or only a lock is installed on the drawer without the lock, and the installed lock can only be external generally, so that the drawer is not attractive, certain potential safety hazards exist, and the external protrusions are difficult to collide with particularly for children. In addition, for families with children, in order to avoid the situation that the children need to lock the drawer without the lock even when turning over the drawer randomly, the most effective solution is the drawer lock which is arranged externally, but the drawer lock is not attractive and inconvenient, and potential safety hazards also exist.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide convenient and practical internal locking furniture without damaging the appearance of a drawer.

(II) technical scheme

In order to solve the technical problems, the invention provides an internal locking type furniture, which comprises a furniture body with a drawer cavity and a drawer capable of being arranged in the drawer cavity in a pulling manner, wherein the inner top wall of the drawer cavity is fixedly connected with an internal locking upper structure, the outer side wall of the drawer is fixedly connected with an internal locking lower structure, and the drawer is detachably connected with a magnetic device; the inner lock upper structure comprises a bolt seat, a first bolt and a first return spring; the first bolt and the first return spring are arranged in the bolt seat in a matching way, and the first bolt extends out of the bottom surface of the bolt seat under the action force of the first return spring; the first bolt is made of a magnetic material; the internal locking structure comprises a bolt plate, wherein the top surface of the bolt plate is provided with a first bolt hole matched with the first bolt; the inner lock lower structure side is fixed on the inner side wall of the drawer, and the first bolt hole is upward; the inner lock upper structure is fixed on the top surface of a drawer inner cavity of the drawer cabinet, and the outlet of the first bolt faces downwards and is matched and corresponding to the first bolt hole; when the drawer is closed, the first bolt is inserted into the first bolt hole to lock the drawer; the magnetic device adsorbs a first bolt outside the drawer cabinet, and the first bolt overcomes the acting force of a first return spring to move upwards and is separated from a first bolt hole to unlock the drawer.

Wherein, the top end of the first bolt is provided with a first guide block; the bottom surface of the bolt seat is provided with a first guide hole matched with the first guide block; the first reset spring is installed in the first guide hole, the first guide block is inserted into the first guide hole in a matching mode, and the first reset spring acts between the bottom face of the first guide hole and the first guide block in a matching mode.

The inner lock upper structure further comprises a limiting block; the limiting block is matched and fixed at the opening of the first guide hole and limits the first guide block to be separated.

The cross section of the first guide block is non-circular, and the cross section of the first guide hole is also correspondingly non-circular; the top end of the first bolt is hemispherical, and a first inclined plane is further arranged at the top end of the first bolt and is arranged on the front face of the drawer.

The number of the first bolt holes is at least two, and all the bolt holes are uniformly distributed on the top surface of the bolt plate along the front-back direction.

Wherein, the last top surface of structure and the side of structure all is provided with glue layer and glue protection film down in the interior lock.

The inner lock lower structure further comprises a base, a movable baffle and a baffle limiting device; the upper end surface of the base is provided with a track, and the front end of the base is provided with a fixed baffle for blocking the track; the bottom surface of the bolt plate is provided with a chute matched with the track; the bolt plate is movably arranged on the upper end face of the base through the sliding chute and the rail in a matching mode, and the front end of the bolt plate is abutted by the fixed baffle; the movable baffle blocks the rear end of the bolt plate and can move downwards to release the blocking; the baffle limiting device can limit the movable baffle to move downwards; the inner lock lower structure is fixed on the inner side wall of the drawer through the base side to realize integral fixation.

Wherein, the upper end surface of the base is provided with a baffle telescopic hole matched with the movable baffle; the movable baffle is inserted into the baffle telescopic hole in a matching manner, and a baffle return spring is arranged between the bottom of the baffle telescopic hole and the bottom end of the movable baffle; the movable baffle extends out of the upper end face of the base under the action force of the baffle return spring and blocks the rear end of the plug pin plate, and one face of the plug pin plate blocked by the movable baffle is set to be a second inclined face.

The baffle limiting device comprises a second bolt and a second return spring; a second guide block is arranged at the rear end of the second bolt, and a second guide shaft is arranged at the rear end of the second guide block; the bottom surface of the base is also provided with a second bolt groove with a side surface penetrating through the baffle telescopic hole, and the second bolt groove comprises a second bolt telescopic hole, a second bolt guide hole and a second guide shaft hole which are sequentially penetrated; a second bolt hole matched with the second bolt telescopic hole is formed in the side face of the movable baffle; the second pin is made of a magnetic material.

The second bolt is arranged in a second bolt telescopic hole of the second bolt groove in a matching mode, the second guide block is arranged in a second bolt guide hole in a matching mode, and the second guide shaft is inserted into the second guide shaft hole in a matching mode; the second reset spring is sleeved on the second guide shaft hole in a matched mode and acts between the second guide block and the bottom of the second plug pin guide hole; the front end of the second bolt is inserted into a second bolt hole of the movable baffle in a matching manner, and the movable baffle is limited to move up and down and blocks the bolt plate; and a cover plate is arranged on the second pin slot in a matching way.

(III) advantageous effects

Compared with the prior art, the invention arranges the bolt type structure in the furniture drawer, so that the drawer without the lock has the self-locking function, the integral appearance of the drawer is not damaged, and the invention is convenient and practical, and has simple structure and convenient installation; wherein, the bolt can adsorb through external magnet device and open to for the drawer unblock, it is very convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a sectional view of fig. 1.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 4 is a sectional view of fig. 3.

Fig. 5 is a side sectional view of fig. 4 (after 90 degrees counterclockwise rotation).

Description of reference numerals: 1. an inner locking structure; 2. an inner lock lower structure; 11. a bolt seat; 12. a first latch; 13. a first return spring; 14. a limiting block; 21. a latch plate; 22. a base; 23. moving the baffle; 24. a baffle plate limiting device; 25. a baffle return spring; 26. a cover plate; 111. a first guide hole; 121. a first guide block; 122. a first inclined surface; 141. an external thread; 142. a hexagonal protrusion; 143. a through hole; 211. a first pin hole; 212. a chute; 221. a track; 222. fixing a baffle plate; 223. a baffle telescopic hole; 224. a second latch slot; 231. a second inclined surface; 232. a second pin hole; 241. a second bolt; 242. a second return spring; 1111. an internal thread; 1211. a first guide shaft; 2241. a second bolt telescopic hole; 2242. a second plug-pin guide hole; 2243. a second guide shaft hole; 2411. a second guide block; 2412. a second guide shaft.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The first embodiment is as follows: the structure of the internal locking furniture of the embodiment is shown in fig. 1 and 2, the internal locking furniture comprises a furniture body with a drawer cavity and a drawer capable of being drawn and arranged in the drawer cavity, an internal locking upper structure 1 is fixedly connected to the inner top wall of the drawer cavity, an internal locking lower structure 2 is fixedly connected to the outer side wall of the drawer, and the internal locking upper structure 1 comprises a bolt seat 11, a first bolt 12 and a first reset spring 13; the first bolt 12 and the first return spring 13 are arranged in the bolt seat 11 in a matching way, and the first bolt 12 extends out of the bottom surface of the bolt seat 11 under the action force of the first return spring 13; the first pin 12 is made of a magnetic material; the internal lock lower structure 2 comprises a bolt plate 21, wherein the top surface of the bolt plate 21 is provided with a first bolt hole 211 matched with the first bolt 12; the side of the internal lock lower structure 2 is fixed on the inner side wall of the drawer, and the first bolt hole 211 faces upwards; the inner lock structure 1 is fixed on the top surface of the drawer inner cavity of the drawer cabinet, and the head of the first bolt 12 faces downwards and is matched and corresponding to the first bolt hole 211; when the drawer is closed, the first pin 12 is inserted into the first pin hole 211 to lock the drawer; the magnetic device attracts the first pin 12 outside the drawer cabinet, and the first pin 12 moves upward against the force of the first return spring 13 to disengage from the first pin hole 211 to unlock the drawer. By adopting the bolt structure, the drawer without the lock can be provided with the built-in self-locking structure, so that the self-locking function is realized under the condition of not damaging the appearance of the drawer, the structure is simple, the use is convenient, the condition that children collide with the external drawer lock can be avoided, and the safety and the practicability are realized.

The magnetic device can be a handheld electromagnet such as a pen-shaped electromagnet, a built-in battery is used as a power supply, and a switch is arranged outside; when the switch is turned on, the electromagnet is electrified and has magnetism, the electromagnet is close to the inner lock upper structure 1 and adsorbs the first bolt 12, and the first bolt 12 overcomes the acting force of the first return spring 13 to move upwards and is separated from the first bolt hole 211 to unlock the drawer; the switch is closed, and the electromagnet is powered off and has no magnetism, so that the electromagnet is ensured not to have interference influence on other electronic equipment. In addition, the magnetic device is an electromagnet structure and is arranged in the bolt seat 11 and is arranged at the upper end of the first bolt 12; or, the first bolt 12 is an electromagnet, a coil surrounding the first bolt 12 is arranged in the bolt seat 11, an iron block is fixed at the upper end of the first bolt 12, and the first bolt 12 with magnetism moves and is adsorbed to the block after being electrified; the on-off of the electromagnet can be realized by an external remote controller.

As shown in fig. 1 and fig. 2, in the present embodiment, a first guiding block 121 is disposed at the top end of the first plug 12; the bottom surface of the bolt seat 11 is provided with a first guide hole 111 matched with the first guide block 121; the inner lock upper structure 1 further comprises a limiting block 14; the first return spring 13 is installed in the first guide hole 111, the first guide block 121 is inserted into the first guide hole 111 in a matching mode, and the first return spring 13 acts between the top surface of the first guide hole 111 and the first guide block 121 in a matching mode; the stopper 14 is fixed to the opening of the first guide hole 111 in a matching manner and limits the first guide block 121 from being disengaged. An internal thread 1111 is arranged at the opening of the first guide hole 111, an external thread 141 matched with the internal thread 1111 is also arranged on the outer ring of the limiting block 14, and the limiting block 14 is fixedly connected with the internal thread 1111 at the opening of the first guide hole 111 through the thread between the external thread 141 and the internal thread 1111; the hexagonal protrusion 142 is arranged in the middle of the bottom surface of the limiting block 14, so that the thread of the limiting block 14 can be conveniently loosened; the middle of the stopper 14 is provided with a through hole 143 matching with the first pin 12, and can pass through the first pin 12. In addition, the first guide shaft 1211 matched with the first return spring 13 is arranged at the tail end of the first guide block 121, and the first return spring 13 is matched and sleeved on the first guide shaft 1211, so that the failure caused by the offset of the first return spring 13 is effectively avoided.

As shown in fig. 1 and 2, in the present embodiment, the cross section of the first guide block 121 is non-circular, and the cross section of the first guide hole 111 is also non-circular correspondingly, so as to effectively limit the rotation of the first plug 12; the bottom end of the first pin 12 is hemispherical, so that the first pin 12 can be conveniently guided and inserted into the first pin hole 211. The bottom end of the first latch 12 is further provided with a first inclined surface 122, and the first inclined surface 122 is arranged on the front side of the drawer, i.e. on the right side in the direction shown in fig. 2. The first pin 12 and the first guide block 121 can be connected by a screw thread, and a plurality of first pins 12 with different lengths are provided, so that the drawer slide mechanism is suitable for drawers with different heights.

As shown in fig. 1 and fig. 2, in this embodiment, the number of the first latch holes 211 is at least two, all the latch holes 211 are uniformly distributed on the top surface of the latch plate 21 along the front-back direction, and the upper top surface of the inner lock upper structure 1 and the side surface of the inner lock lower structure 2 are both provided with a glue layer and a glue protective film; the inner lock upper structure 1 and the inner lock lower structure 2 can be stuck and fixed only by tearing the glue protective film, so that the installation of the invention is convenient.

Example two: as shown in fig. 3, 4 and 5, in the present embodiment, the inner lock lower structure 2 further includes a base 22, a movable baffle 23 and a baffle limiting device 24; a rail 221 is provided on the upper end surface of the base 22, and a fixed baffle 222 for blocking the rail 221 is provided on the front end of the base 22, i.e., on the right side in the direction shown in fig. 3; the bottom surface of the latch plate 21 is provided with a sliding groove 212 matched with the track 221; the latch plate 21 is movably mounted on the upper end surface of the base 22 through the sliding groove 212 and the rail 221 in a matching manner, and the front end of the latch plate 21 is pressed against by the fixed baffle 222; the movable baffle 23 blocks the rear end of the latch plate 21 and can move downwards to release the blocking; the baffle limiting device 24 can limit the movable baffle 23 to move downwards; the inner locking lower structure 2 is fixed on the inner side wall of the drawer through the base 22 side to realize integral fixation. By adopting the structure, the invention is provided with a controllable structure for limiting the bolt plate 21, and when the first bolt 12 is locked in the first bolt hole 211, the base 22 can be pulled away and opened and closed together with the drawer by releasing the fixation of the bolt plate 21.

As shown in fig. 3 and 4, in the present embodiment, the upper end surface of the base 22 is provided with a baffle telescopic hole 223 matched with the movable baffle 23; the movable baffle 23 is inserted into the baffle telescopic hole 233 in a matching manner, and a baffle return spring 25 is arranged between the bottom of the baffle telescopic hole 223 and the bottom end of the movable baffle 23; the moving shutter 23 partially protrudes out of the upper end surface of the base 22 under the force of the shutter return spring 25 and blocks the rear end of the latch plate 21, and one surface of the moving shutter 23 blocking the latch plate 21 is provided as a second inclined surface 231. By adopting the structure, when the first bolt 12 is locked and can not be separated from the first bolt hole 211: when the movable baffle 23 is limited by the baffle limiting device 24 and blocks the bolt plate 21, the bolt plate 21 is in an integrated fixed state relative to the drawer, and the drawer is in a locked state and cannot be opened; when the baffle limiting device 24 releases the limit of the movable baffle 23 and the drawer is pulled, the rear end of the latch plate 21 presses the movable baffle 23 downwards through the second inclined surface 231, the movable baffle 23 overcomes the acting force of the baffle return spring 25 to move downwards, so that the movable baffle 23 can move relative to the base 22, the locking of the drawer is released, and the drawer can be freely drawn out.

As shown in fig. 3 and 4, in the present embodiment, the baffle limiting device 24 includes a second pin 241 and a second return spring 242; a second guide block 2411 is arranged at the rear end of the second bolt 241, and a second guide shaft 2412 is arranged at the rear end of the second guide block 2411; the bottom surface of the base 22 is further provided with a second bolt groove 224 with a side surface penetrating through the baffle telescopic hole 223, and the second bolt groove 224 comprises a second bolt telescopic hole 2241, a second bolt guide hole 2242 and a second guide shaft hole 2243 which are sequentially penetrated; a second bolt hole 232 matched with the second bolt telescopic hole 2241 is formed in the side face of the movable baffle plate 23; the second pin 241 is made of a magnetic material; the second bolt 241 is fittingly installed in the second bolt telescopic hole 2241 of the second bolt slot 224, the second guide block 2411 is fittingly installed in the second bolt guide hole 2242, and the second guide shaft 2412 is fittingly inserted into the second guide shaft hole 2243; the second return spring 242 is sleeved on the second guide shaft hole 2243 in a matched manner and acts between the second guide block 2411 and the bottom of the second bolt guide hole 2242; the front end of the second pin 241 is inserted into the second pin hole 232 of the moving barrier 23 in a matching manner, and the moving barrier 23 is restricted from moving up and down and blocks the pin plate 21; the second latch groove 224 is matingly fitted with the cover plate 26. The invention adopts the structure; the second bolt 241 of the baffle limiting device 24 is inserted into the second bolt hole 232 of the movable baffle 23 to limit the movable baffle 23, and the structure is simple and practical. The second latch 241 may be attracted to the front of the drawer by a magnetic device, so that the second latch 241 is retracted against the biasing force of the second return spring 242 to release the restriction of the moving shutter 23. In addition, the second pin 241 is made of a material that can adopt an electromagnet, a surrounding electric wire is arranged around the second pin 241, a battery is arranged in the base 22 as a power supply, an iron block is arranged at the bottom of the second guide shaft hole 2243, and the electromagnet can control the unlocking of the drawer through a remote control switch, so that the external part of the drawer can be controlled.

When the drawer locking device is used, the base 22 is adhered to the inner side wall of a drawer, the internal locking structure 1 is fixed on the top surface of the inner cavity of the drawer cabinet, and the outlet of the first bolt 12 is downward and is matched and corresponding to the first bolt hole 211; during the closing process of the drawer, the first bolt 12 moves upwards by the first inclined surface 122 contacting with the inner lock lower structure 2 and overcoming the first return spring 13, so that the drawer can move upwards smoothly; when the drawer is closed to a certain position, the first latch 12 is downwardly inserted into the first latch hole 211 by the force of the first return spring 13, thereby locking the drawer; when the magnetic device is close to the first bolt 12 outside the drawer and adsorbs the first bolt to move upwards to be separated from the first bolt hole 211 by overcoming the acting force of the first return spring 13, the locking of the drawer is released, and the drawer can be freely opened; when the first pin 12 is locked in the first pin hole 211 to fix the first pin 12 and the base 22, the magnetic device can be used to attract the second pin 241 on the front surface of the drawer to move backward to get rid of the second pin hole 232 against the second return spring 242, the drawer is drawn to make the rear end of the wiring board 21 press the movable baffle 23 through the second inclined surface 231, the movable baffle 23 moves downward against the action force of the baffle return spring 25 to make the movable baffle 23 move relative to the base 22, thereby releasing the locking of the drawer, so that the drawer can be drawn out freely, and the baffle return spring 25 makes the movable baffle 2 press against the base 22 during the drawing process, the friction can ensure the drawer to be drawn out stably, and after the drawer is completely closed, the locking of the drawer can be completed by removing the magnetic device, therefore, after the first pin 12 is locked in the first pin hole 211, the opening and closing of the drawer can be still realized, and the service life is longer.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. An inner locking type furniture comprises a furniture body with a drawer cavity and a drawer capable of being arranged in the drawer cavity in a pulling mode, and is characterized in that an inner locking upper structure (1) is fixedly connected to the inner top wall of the drawer cavity, an inner locking lower structure (2) is fixedly connected to the outer side wall of the drawer, and a magnetic device is detachably connected to the drawer; the inner lock upper structure (1) comprises a bolt seat (11), a first bolt (12) and a first return spring (13); the first bolt (12) and the first return spring (13) are installed in the bolt seat (11) in a matching mode, and the first bolt (12) extends out of the bottom face of the bolt seat (11) under the action force of the first return spring (13); the first bolt (12) is made of a magnetic material; the internal lock lower structure (2) comprises a bolt plate (21), and the top surface of the bolt plate (21) is provided with a first bolt hole (211) matched with the first bolt (12); when the drawer is closed, the first bolt (12) is inserted into the first bolt hole (211) to lock the drawer, the magnetic device adsorbs the first bolt (12) outside the furniture body, and the first bolt (12) moves upwards to be separated from the first bolt hole (211) against the action force of the first return spring (13) to unlock the drawer.

2. The interlocking furniture according to claim 1, wherein the top end of the first bolt (12) is provided with a first guide block (121), the bottom surface of the bolt seat (11) is provided with a first guide hole (111) matched with the first guide block (121), the first guide block (121) is inserted into the first guide hole (111) in a matching way, and the first return spring (13) is acted between the bottom surface of the first guide hole (111) and the first guide block (121) in a matching way.

3. Interlocking furniture according to claim 1, characterized in that the interlocking upper structure (1) further comprises a stopper (14), said stopper (14) being fittingly fixed at the opening of the first guide hole (111) and limiting the disengagement of the first guide block (121).

4. An interlocking furniture according to claim 2, characterized in that the first guide block (121) is non-circular in cross-section, the first guide hole (111) is also correspondingly non-circular in cross-section, the top end of the first bolt (12) is hemispherical, the top end of the first bolt (12) is further provided with a first inclined surface (122), the first inclined surface (122) faces the drawer front.

5. Interlocking furniture according to claim 1, characterized in that the number of said first pin holes (211) is at least two, all said pin holes (211) being evenly distributed in the front-rear direction on the top surface of the pin plate (21).

6. Piece of furniture with internal lock according to claim 1, characterized by the fact that the upper top of the upper structure (1) and the side of the lower structure (2) are provided with a glue layer and a glue protection film.

7. Piece of interlocking furniture according to claim 1, characterized in that the interlocking lower structure (2) further comprises a base (22), a moving flap (23) and a flap stop (24); the upper end surface of the base (22) is provided with a track (221), and the front end of the base (22) is provided with a fixed baffle (222) for blocking the track (221); the bottom surface of the bolt plate (21) is provided with a sliding groove (212) matched with a track (221), and the front end of the bolt plate (21) is propped against by a fixed baffle (222); the movable baffle (23) blocks the rear end of the latch plate (21) and can move downwards to release the blocking; the baffle limiting device (24) can limit the movable baffle (23) to move downwards; the inner lock lower structure (2) is fixed on the inner side wall of the drawer through the base (22) side to realize integral fixation.

8. The interlocking furniture according to claim 7, wherein the upper end face of the base (22) is provided with a baffle expansion hole (223) matched with the movable baffle (23); the movable baffle (23) is inserted into the baffle telescopic hole (233) in a matching manner, and a baffle return spring (25) is arranged between the bottom of the baffle telescopic hole (223) and the bottom end of the movable baffle (23); the movable baffle plate (23) partially extends out of the upper end face of the base (22) under the action force of the baffle plate return spring (25) and blocks the rear end of the latch plate (21), and one face, blocking the latch plate (21), of the movable baffle plate (23) is set to be a second inclined face (231).

9. Interlocking furniture according to claim 7, characterized in that the flap stop (24) comprises a second bolt (241) and a second return spring (242); a second guide block (2411) is arranged at the rear end of the second bolt (241), and a second guide shaft (2412) is arranged at the rear end of the second guide block (2411); the bottom surface of the base (22) is also provided with a second bolt groove (224) with a side surface penetrating through the baffle telescopic hole (223), and the second bolt groove (224) comprises a second bolt telescopic hole (2241), a second bolt guide hole (2242) and a second guide shaft hole (2243) which are sequentially penetrated; a second bolt hole (232) matched with the second bolt telescopic hole (2241) is formed in the side face of the movable baffle (23); the second pin (241) is made of a magnetic material.

10. An interlocking furniture according to claim 9, wherein the second pin (241) is fittingly mounted in a second pin expansion hole (2241) of the second pin groove (224), the second guide block (2411) is fittingly mounted in a second pin guide hole (2242), and the second guide shaft (2412) is fittingly inserted in a second guide shaft hole (2243); the second return spring (242) is sleeved on the second guide shaft hole (2243) in a matched mode and acts between the second guide block (2411) and the bottom of the second bolt guide hole (2242); the front end of the second bolt (241) is inserted into a second bolt hole (232) of the movable baffle (23) in a matching manner, and the movable baffle (23) is limited to move up and down and block the bolt plate (21); and a cover plate (26) is arranged on the second pin slot (224) in a matching way.